Advanced Web-developers Package

by Mikhail Kalashnik

18 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,063 reviews

1,783,201 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,008 reviews

1,100,714 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Stylish by userstyles.org

Rated 4 out of 5 stars 796 reviews

407,794 users

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Full Web Page Screenshots (♥♥♥♥♥) by susbox

FireShot makes full web page screenshots. Demo: http://bit.ly/RlBQMV

Screenshots can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 380 reviews

219,831 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

MeasureIt by Kevin Freitas

Rated 4 out of 5 stars 362 reviews

120,172 users

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 218 reviews

45,341 users

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

17,091 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression

Secure Login by Sebastian Tschan, Sarah Av.

Rated 4 out of 5 stars 406 reviews

36,961 users

Secure Login is an extension for Firefox integrated password manager.

For Firefox > 51, try my WebExtension implementation: https://addons.mozilla.org/en-US/firefox/addon/secure-login-webextension/

Firesizer by orev

Rated 4 out of 5 stars 133 reviews

22,534 users

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 195 reviews

22,616 users

Useful tools for the nightly tester.

Firecookie by Jan Odvarko

Rated 4 out of 5 stars 61 reviews

2,238 users

Firecookie is an extension for Firebug that makes possible to view and manage cookies in your browser

Firecookie is part of Firebug since Firebug 1.10

Custom Buttons by Yan, cubegm, others

Rated 4 out of 5 stars 125 reviews

54,283 users

Gives a possibility to create custom toolbarbuttons...
Collector's Note Toggle Javascript Button (http://xsms.nm.ru/custombuttons/en/)

Image-Show-Hide by Dmitriy Altuhov

Rated 4 out of 5 stars 32 reviews

9,662 users

simply turn on|off images on all web-pages and (optional) autoreload current...

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 49 reviews

6,010 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
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